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Description of key information

No experimental data on the phototransformation of the substance in air are available. Based on estimation with the QSAR model AopWin (v1.92), in air the substance undergoes rapid degradation after reaction with hydroxyl radicals. The DT50 -value after reaction with hydroxyl radicals is ca. 4 hours. This indicates that the substance is not a long-range transported chemical in air according to the UNECE criteria (http://www.unece.org/fileadmin/DAM/env/documents/2000/ece/eb/ece%20eb%20air.60.e.pdf). This half-life will not be used for the CSA because it is a calculated and not an experimental value.

Key value for chemical safety assessment

Half-life in air:
4 h
Degradation rate constant with OH radicals:
0 cm³ molecule-1 s-1

Additional information